Miyashita, Hiroaki
Current rating: 1462
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 564 | Tazawa, Kazuho (1510) | Lost 1-2 | -181482 |
| 2sealed | 785 | Masumoto, Kazuhiro (1527) | Lost 1-2 | -171465 |
| 3sealed | 1177 | Shinhama, Takahiko (1576) | Won 2-0 | +201485 |
| 4sealed | 882 | Ito, Kenta (1457) | Lost 0-2 | -181467 |
| 5sealed | 964 | Sekine, Hiroya (1465) | Lost 0-2 | -181449 |
| 6sealed | 873 | Guan Wen, Wang (1448) | Won 2-1 | +181467 |
| 7sealed | 689 | Satonaka, Kentarou (1425) | Won 2-1 | +171484 |
| 8sealed | 556 | Tanaka, Mami (1286) | Lost 0-2 | -221462 |
| top | average opponent: 1462record: 3-5 | new rating: 1462 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 530 | Iwamoto, Yuuki (1456) | Lost 1-2 | -191500 |
| top | record: 0-1 | new rating: 1500 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 914 | Igarashi, Takuma (1500) | Won 2-1 | +181518 |
| 2sealed | 788 | Mikami, Akihiro (1518) | Won 2-1 | +181536 |
| 3sealed | 705 | Kawanishi, Naoki (1473) | Lost 1-2 | -191517 |
| 4sealed | 883 | Takayama, Kan (1579) | Lost 0-2 | -171500 |
| 5sealed | 937 | Okuma, Naoki (1652) | Won 2-1 | +211521 |
| 6sealed | 885 | Katamine, Yuki (1508) | Won 2-1 | +181539 |
| 7sealed | 757 | Suzuki, Ryo (1473) | Lost 1-2 | -201519 |
| top | average opponent: 1529record: 4-3 | new rating: 1519 | ||